Send parameters to URL with out query parameters with JAVASCRIPT

postRedirect.js

function redirectPost(url, data) {
                   var form = document.createElement('form');
                   document.body.appendChild(form);
                   form.method = 'POST';
                   form.action = url;
                   for (var name in data) {
                       var input = document.createElement('input');
                       input.type = 'hidden';
                       input.name = name;
                       input.value = data[name];
                       form.appendChild(input);
                   }
                   form.submit();
};